How to make clear aligner

Scan

To obtain the best quality of scan data, we explain scan know-how and key points.

Scanning process

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Preparation

The following preparations are required for acquiring accurate and high-quality tooth scan data.

Intra-oral scanner : Good oral condition such as scaling

Desktop scanner : Please refer to the following videos

Remove positive air bubbles

Correcting margin lines

Remove excessive parts

Fill negative air bubbles

Bite check

 

Scanner performance & scan strategy

To obtain the highest quality scan data, we suggest the accuracy standard for full arch as follows, so please use a suitable scanner.  Also, please strictly follow scan strategy recommended by scanner manufacturer each.

Compatible file type : STL, OBJ, PLY

Accuracy standard for full arch

10㎛ ± 2

50㎛ ± 10

Accuracy

Desktop scanner

Intra-oral scanner

Type

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Remove excessive parts

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Suitable scan data

Fill holes

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Scan area

Points to check
when scanning

Not suitable

Suitable

Must be scanned up to posterior

Must scan at least 4mm below margin line

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Not suitable

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Suitable

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Bite check

Check bite to make sure the scan was proper.

To confirm bite, compare it with the patient’s oral photograph.

Check bite - If left and right molars are open when viewed from the back, it’s not suitable.